The proposed collection includes questions, exercises and tasks of different levels of complexity for all major sections of the school's chemistry program. The solution of typical problems is given and most problems are given answers or instructions to the solution. The manual will help students to bring to the system of knowledge in chemistry, to understand the specifics of chemical science, to develop the logic of thinking in the process of solving problems, meaningfully using and fixing theoretical material, as well as to prepare for the final exam and admission to the university. Intended for chemical lyceum and preparatory courses at ISHTU, high school students of secondary schools, lyceums, classes with advanced study of chemistry . The manual can be useful for chemistry teachers and junior students.